Cold Rolling Mill Acid Steel Pickling Line

Coil lifting → Coil Transportation → Coil loading → Uncoiler → Turning → No.1 side guide centering → Pinch/ feeding/ straightening → Coil head shearing → Angle Shearing → Pickling → Rinsing → Hot air drying → No.1 pinch roll → Outlet looper → No.2 Side guide centering → No.2 pinch roll (with CPC device) → No.3 Side guide centering → Edge slitting machine and scrap winder → three-roll tension → horizontal inspection platform → Coil tail shearing → Outlet steering/ feeding → Recoiler → Coil unloading→ Bundling
 

Raw material:        Plain Carbon Hot Rolled Steel Coils  
Thickness:          1.4mm ~ 4.6mm
Width (before cutting edge):  1350mm
Coil I.D.:           610mm/ 760mm 
Coil O.D.:           Max. 2150mm
Coil  weight:        Max.30MT
Tensile strength:     Max 610N/mm²
Yield strength:       Max 360 N/mm²
Size, shape and allowable deviation: according to Chinese national standard
Sheet tower shape range:        ≤20mm when Width ≤1000 mm
Thickness tolerance:  within ±5 % of the nominal thickness
Width tolerance:      0 ~+5mm
Convexity:           Max. 50μm
Camber:             Each 2000mm in the length direction is not more than 6mm
Flatness:            Less than 220 l